Subject is art :).. Is there an easily identifiable way to know that a perspective piece is incorrect? How?

Pitches moving in a downward pattern are called

16. apply. select something from your home that is used solely for aesthetic purposes. critique it using the four steps of art criticism. when you are finished, ask yourself if the object seems different than it did before. has your opinion of the object changed? 17. analyze. find a movie critic’s review of a current film in a newspaper or magazine. read it carefully. try to find statements that fit each of the four steps of art criticism. answer one either one 16 or 17

Which subjects did john sloan depict in his paintings